CLAS physics database search results Measurement E1M544 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 2.6771753 0.13188672 108 3.2712605 0.21466373 180 4.5742145 0.27664742 251.99998 3.4052846 0.18121721 324 2.6389422 0.15100119